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10 October 2019 Breeding biology of the Yellow-browed Tyrant (Satrapa icterophrys) in south temperate forests of central Argentina
Exequiel Gonzalez, Adrián Jauregui, Luciano N. Segura
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Abstract

We describe the breeding biology of the Yellow-browed Tyrant (Satrapa icterophrys) in a native forest of central eastern Argentina. We monitored 23 nests during 3 consecutive breeding seasons (2015–2018). The breeding season lasted from mid-October to late January and all nests were built in native tree species. Modal clutch size was 3 eggs, incubation period was ∼15 d, and nestling period lasted ∼16 d. Daily nest survival rate was 0.96, and the cumulative probability of nest survival in a nesting cycle was 26%. Our data contribute to the knowledge of the life history traits of south temperate bird species. As the Yellow-browed Tyrant only nested in native trees close to temporal or permanent water bodies, we highlight the importance of preserving this type of native habitat which is under threat as a result of overexploitation and development.

Exequiel Gonzalez, Adrián Jauregui, and Luciano N. Segura "Breeding biology of the Yellow-browed Tyrant (Satrapa icterophrys) in south temperate forests of central Argentina," The Wilson Journal of Ornithology 131(3), 534-542, (10 October 2019). https://doi.org/10.1676/18-140
Received: 3 September 2018; Accepted: 4 January 2019; Published: 10 October 2019
KEYWORDS
nest predation
nest survival
nesting biology
reproductive parameters
Tyrannidae
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